/Engine/Source/Editor/AddContentDialog/Public/FeaturePackContentSource.h
Copies the list of files specified in 'AdditionFilesToInclude' section in the config.ini of the feature pack.
true if config file was read and parsed successfully
void CopyAdditionalFilesToFolder ( const [FString](API\Runtime\Core\Containers\FString) & DestinationFolder, [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & FilesCopied, bool & bHasSourceFiles, [FString](API\Runtime\Core\Containers\FString) InGameFolder )